Directions:1. In a small crockpot combine cream cheese, yogurt, garlic, salt, black pepper, and onion powder.2. Then stir in the artichoke hearts, spinach, mozzarella cheese, and Parmesan cheese. Then stir to combine.4. Cook the dip on high for 1 - 2 hours or until the dip is warm and lightly bubbly. Then adjust heat to keep warm for serving.